MY162302A - Computation of channel state feedback in systems using common reference signal interference cancelation - Google Patents

Computation of channel state feedback in systems using common reference signal interference cancelation

Info

Publication number
MY162302A
MY162302A MYPI2012003430A MYPI2012003430A MY162302A MY 162302 A MY162302 A MY 162302A MY PI2012003430 A MYPI2012003430 A MY PI2012003430A MY PI2012003430 A MYPI2012003430 A MY PI2012003430A MY 162302 A MY162302 A MY 162302A
Authority
MY
Malaysia
Prior art keywords
channel state
state feedback
feedback value
neighboring cells
reference signal
Prior art date
Application number
MYPI2012003430A
Other languages
English (en)
Inventor
Aleksandar Damnjanovic
Taesang Yoo
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of MY162302A publication Critical patent/MY162302A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/281—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account user or data type priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Time-Division Multiplex Systems (AREA)
MYPI2012003430A 2010-02-19 2011-02-18 Computation of channel state feedback in systems using common reference signal interference cancelation MY162302A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30641810P 2010-02-19 2010-02-19
US13/023,432 US8515440B2 (en) 2010-02-19 2011-02-08 Computation of channel state feedback in systems using common reference signal interference cancelation

Publications (1)

Publication Number Publication Date
MY162302A true MY162302A (en) 2017-05-31

Family

ID=44047494

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003430A MY162302A (en) 2010-02-19 2011-02-18 Computation of channel state feedback in systems using common reference signal interference cancelation

Country Status (14)

Country Link
US (3) US8515440B2 (de)
EP (1) EP2537276B1 (de)
JP (4) JP5591958B2 (de)
KR (2) KR101451876B1 (de)
CN (3) CN106411368B (de)
BR (1) BR112012020595B1 (de)
CA (2) CA2884502C (de)
HK (1) HK1180135A1 (de)
MY (1) MY162302A (de)
PH (1) PH12015500623A1 (de)
RU (1) RU2518758C2 (de)
TW (1) TWI441463B (de)
WO (1) WO2011103476A1 (de)
ZA (1) ZA201206411B (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8515440B2 (en) 2010-02-19 2013-08-20 Qualcomm Incorporated Computation of channel state feedback in systems using common reference signal interference cancelation
US8577318B2 (en) * 2010-05-19 2013-11-05 Plantronics, Inc. Communications system density and range improvement by signal-strength-directed channel class selection with weighting for minimum capacity consumption
US8515427B2 (en) 2010-06-28 2013-08-20 Qualcomm Incorporated Resource utilization measurements for heterogeneous networks
CN102118237B (zh) * 2010-08-02 2013-06-05 电信科学技术研究院 基于mimo系统的uci处理方法和装置及其传输方法
JP5565521B2 (ja) * 2011-03-18 2014-08-06 富士通株式会社 無線通信システム、移動局、基地局、及び無線通信方法
US9319123B2 (en) * 2011-05-10 2016-04-19 Lg Electronics Inc. Method for receiving reference signal and user equipment, and method for transmitting reference signal and base station
CN103024751B (zh) * 2011-09-26 2016-01-27 华为技术有限公司 干扰控制方法和设备
WO2013048197A2 (ko) * 2011-09-28 2013-04-04 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보 보고 방법 및 장치
US20140211735A1 (en) * 2011-10-07 2014-07-31 Panasonic Corporation Small cell base station and victim terminal device detection method
WO2013055178A2 (ko) * 2011-10-13 2013-04-18 엘지전자 주식회사 무선 통신 시스템에서 단말이 신호를 송수신하는 방법 및 이를 위한 장치
US9692539B2 (en) 2011-11-04 2017-06-27 Qualcomm Incorporated Incremental interference cancelation capability and signaling
US9049730B2 (en) * 2011-11-14 2015-06-02 Qualcomm Incorporated Uplink data transmission with interference mitigation
WO2013091215A1 (en) * 2011-12-22 2013-06-27 Nokia Corporation Methods and apparatus for feedback and signaling management
US9730164B2 (en) 2012-01-30 2017-08-08 Qualcomm, Incorporated Power control management in uplink (UL) coordinated multipoint (CoMP) transmission
US9544794B2 (en) 2012-03-18 2017-01-10 Lg Electronics Inc. Method and apparatus for transmitting neighbor-cell measurement command in wireless communication system
US9100162B2 (en) * 2012-04-11 2015-08-04 Apple Inc. Adaptive generation of channel state feedback (CSF) based on base station CSF scheduling
WO2013154382A1 (ko) * 2012-04-12 2013-10-17 엘지전자 주식회사 무선 통신 시스템에서 간섭 측정 방법 및 장치
EP2749091B1 (de) * 2012-05-07 2016-10-26 Telefonaktiebolaget LM Ericsson (publ) Bedingte bereichserweiterung in einem heterogenen telekommunikationssystem
US8879475B2 (en) * 2012-05-15 2014-11-04 Apple Inc. Adaptive channel state feedback in discontinuous reception scenarios based on connection characteristics
US20130322278A1 (en) * 2012-06-01 2013-12-05 Samsung Electronics Co. Ltd. Feedback method and apparatus for cooperative transmission of multiple cells
US9544082B2 (en) * 2012-08-03 2017-01-10 Qualcomm Incorporated Inter-UE interference cancellation
US8867503B2 (en) * 2012-08-16 2014-10-21 Futurewei Technologies, Inc. Localized CoMP precoding
EP2894920B1 (de) * 2012-09-28 2016-12-21 Huawei Technologies Co., Ltd. Verfahren zur verarbeitung von kanalstatusinformationen, verfahren, netzwerkvorrichtung und benutzervorrichtung
US10091766B2 (en) * 2013-04-05 2018-10-02 Qualcomm Incorporated Interference cancellation/suppression in TDD wireless communications systems
US20140376517A1 (en) * 2013-06-25 2014-12-25 Qualcomm Incorporated Opportunistic activation of relays in cloud radio access networks
CN105359569B (zh) * 2013-07-09 2019-07-09 Lg电子株式会社 在无线通信系统中用于信道状态报告的方法及其设备
US9692551B2 (en) 2013-08-08 2017-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Channel quality indicator adjustment to account for network-assisted interference cancellation
US9813966B1 (en) * 2013-09-11 2017-11-07 Sprint Spectrum L.P. Sub-cell power adjustment
US9240864B2 (en) * 2013-09-12 2016-01-19 Qualcomm Incorporated Blind CRS detection
CN104519514B (zh) * 2013-10-08 2019-12-06 中兴通讯股份有限公司 一种减小节点间干扰的方法、节点和系统
CN105531942B (zh) 2013-10-14 2019-12-17 哈曼国际工业有限公司 通信方法和系统
US9602229B2 (en) * 2014-01-29 2017-03-21 Mediatek Inc. Method for cancelling a data transmission of a neighboring cell
US9655021B2 (en) * 2014-03-19 2017-05-16 Futurewei Technologies, Inc. System and method for UE-specific offloading
US10820364B2 (en) 2014-03-19 2020-10-27 Futurewei Technologies, Inc. System and method for UE-specific offloading
US9351307B2 (en) * 2014-03-31 2016-05-24 Qualcomm Incorporated CSI report with different receiver capabilities
US9813216B2 (en) * 2014-04-04 2017-11-07 Lg Electronics Inc. Method for reporting channel state information having interference cancellation capability reflected therein, and apparatus therefor
WO2015171025A1 (en) * 2014-05-07 2015-11-12 Telefonaktiebolaget L M Ericsson (Publ) Method for reporting channel quality indicators in a wireless device and a radio network node
US9712218B2 (en) 2014-07-28 2017-07-18 Samsung Electronics Co., Ltd. Method and apparatus for facilitating high data rate transmission in the wireless communication
KR20160016525A (ko) * 2014-07-31 2016-02-15 삼성전자주식회사 Lte-a ue에 대한 블라인드 검출된 간섭 매개변수들을 기반으로 하는 간섭 제거 기술
WO2016021866A1 (ko) * 2014-08-08 2016-02-11 엘지전자 주식회사 간섭 제거 수신 방법
US10542507B2 (en) * 2015-03-13 2020-01-21 Qualcomm Incorporated Discovery and synchronization channels for user-tracking zones in a cellular network
CN107534872B (zh) * 2015-04-09 2021-03-19 上海诺基亚贝尔股份有限公司 用户设备的用以抑制干扰的能力的确定
US10727921B2 (en) 2015-11-05 2020-07-28 Sony Corporation Apparatus and method
WO2017096558A1 (en) * 2015-12-09 2017-06-15 Qualcomm Incorporated Flexible resource mapping and mcs determination
WO2017133772A1 (en) * 2016-02-04 2017-08-10 Telefonaktiebolaget Lm Ericsson (Publ) A method for adapting a beam shape of a beam
US9924408B1 (en) * 2016-08-24 2018-03-20 Intel IP Corporation Methods and devices for interference cancellation in cell search
EP3618322B1 (de) * 2017-04-28 2024-01-03 LG Electronics Inc. Verfahren zur meldung von kanalstatusinformationen in einem drahtloskommunikationssystem und vorrichtung dafür
US10750466B2 (en) * 2017-06-16 2020-08-18 Qualcomm Incorporated Reference signal (RS) configuration and transmission from serving and neighbor cell for mobility
WO2019145878A1 (en) * 2018-01-23 2019-08-01 Telefonaktiebolaget Lm Ericsson (Publ) Method for inter-radio access technology resource sharing
WO2020034250A1 (en) * 2018-08-27 2020-02-20 Zte Corporation Method and apparatus for obtaining information from neighboring cells
CN116210179A (zh) * 2020-06-25 2023-06-02 上海诺基亚贝尔股份有限公司 反应性干扰检测

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5940743A (en) * 1997-06-05 1999-08-17 Nokia Mobile Phones Limited Power control of mobile station transmissions during handoff in a cellular system
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
US6888805B2 (en) 2001-03-23 2005-05-03 Qualcomm Incorporated Time multiplexed transmission scheme for a spread spectrum communication system
US7035284B2 (en) 2002-03-14 2006-04-25 Qualcomm Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system employing a non-periodic interleaver
US7292552B2 (en) * 2002-03-14 2007-11-06 Qualcomm Incorporated Method and apparatus for reducing interference in a wireless communication system
US7039001B2 (en) 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
RU2373666C2 (ru) * 2002-10-29 2009-11-20 Квэлкомм Инкорпорейтед Передача пилотной информации и сигнализации по восходящей линии в беспроводных коммуникационных системах
KR100977136B1 (ko) * 2003-03-13 2010-08-20 퀄컴 인코포레이티드 비-주기 인터리버를 이용하여 무선 통신 시스템에서의상호-채널 간섭을 감소시키기 위한 방법 및 장치
US7313126B2 (en) 2003-07-31 2007-12-25 Samsung Electronics Co., Ltd. Control system and multiple access method in wireless communication system
KR100621955B1 (ko) * 2003-07-31 2006-09-13 가부시키가이샤 엔.티.티.도코모 무선 제어 장치 및 이동 통신 방법
SE0303602D0 (sv) * 2003-12-30 2003-12-30 Ericsson Telefon Ab L M Method and arrangement in self-organizing cooperative network
US9955438B2 (en) 2005-09-27 2018-04-24 Qualcomm Incorporated Method and apparatus for carrier allocation and management in multi-carrier communication systems
KR100734890B1 (ko) * 2005-10-10 2007-07-03 삼성전자주식회사 스마트 안테나 시스템에서 단말의 수신성능을 향상시키기위한 장치 및 방법
US9125092B2 (en) 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus for reporting and/or using control information
CN1992554A (zh) 2005-12-29 2007-07-04 上海贝尔阿尔卡特股份有限公司 无线通信系统中干扰消除的方法和设备
US20070211813A1 (en) * 2006-03-10 2007-09-13 Shilpa Talwar MIMO precoding in the presence of co-channel interference
CN101064865A (zh) * 2006-04-29 2007-10-31 上海原动力通信科技有限公司 蜂窝移动通信系统的资源调度方法和装置
TWI526107B (zh) 2006-10-10 2016-03-11 內數位科技公司 爲傳送至多數無線傳送／接收單元下鏈分享服務發送反饋之方法及裝置
US7769094B2 (en) 2006-11-10 2010-08-03 Telefonaktiebolaget L M Ericsson (Publ) Arrangement and method for reducing the impact of interfering signals in a communication system
US9078269B2 (en) * 2007-09-21 2015-07-07 Qualcomm Incorporated Interference management utilizing HARQ interlaces
CN101420716B (zh) * 2007-10-23 2011-11-16 华为技术有限公司 一种上行干扰源的检测方法、系统和装置
CN101499812B (zh) * 2008-02-01 2012-12-19 中兴通讯股份有限公司 一种消除码间干扰和多用户干扰的方法
KR101349830B1 (ko) * 2008-03-05 2014-01-09 엘지전자 주식회사 간섭 측정 방법
US9668265B2 (en) * 2008-03-28 2017-05-30 Qualcomm Inc. Technique for mitigating interference in a celllar wireless communication netwok
US8442069B2 (en) 2008-04-14 2013-05-14 Qualcomm Incorporated System and method to enable uplink control for restricted association networks
US9867203B2 (en) 2008-07-11 2018-01-09 Qualcomm Incorporated Synchronous TDM-based communication in dominant interference scenarios
US8340605B2 (en) * 2008-08-06 2012-12-25 Qualcomm Incorporated Coordinated transmissions between cells of a base station in a wireless communications system
US9084119B2 (en) * 2009-01-07 2015-07-14 Qualcomm Incorporated Carrier reuse in a multicarrier wireless communication environment
CN102511130B (zh) * 2009-08-14 2015-08-12 诺基亚通信公司 用于协作传输的方法和设备
US8515440B2 (en) 2010-02-19 2013-08-20 Qualcomm Incorporated Computation of channel state feedback in systems using common reference signal interference cancelation

Also Published As

Publication number Publication date
BR112012020595B1 (pt) 2021-11-30
CN106102176B (zh) 2019-07-02
CA2788843A1 (en) 2011-08-25
PH12015500623B1 (en) 2015-08-10
EP2537276B1 (de) 2019-01-02
KR20140130498A (ko) 2014-11-10
CN102859920A (zh) 2013-01-02
CN106102176A (zh) 2016-11-09
US20130273930A1 (en) 2013-10-17
JP2015188232A (ja) 2015-10-29
JP5902255B2 (ja) 2016-04-13
JP6009615B2 (ja) 2016-10-19
US8515440B2 (en) 2013-08-20
JP5752825B2 (ja) 2015-07-22
WO2011103476A1 (en) 2011-08-25
KR101525555B1 (ko) 2015-06-03
PH12015500623A1 (en) 2015-08-10
JP2013520881A (ja) 2013-06-06
CA2884502A1 (en) 2011-08-25
US20160088638A9 (en) 2016-03-24
US20140364136A1 (en) 2014-12-11
BR112012020595A2 (pt) 2018-03-13
KR101451876B1 (ko) 2014-10-16
HK1180135A1 (zh) 2013-10-11
ZA201206411B (en) 2014-01-29
CN106411368A (zh) 2017-02-15
US9288815B2 (en) 2016-03-15
KR20120130295A (ko) 2012-11-30
RU2518758C2 (ru) 2014-06-10
CA2884502C (en) 2017-09-12
CA2788843C (en) 2016-11-15
TW201218656A (en) 2012-05-01
JP5591958B2 (ja) 2014-09-17
US20120034926A1 (en) 2012-02-09
RU2012140014A (ru) 2014-03-27
CN102859920B (zh) 2016-06-01
EP2537276A1 (de) 2012-12-26
US8862143B2 (en) 2014-10-14
JP2014239501A (ja) 2014-12-18
CN106411368B (zh) 2019-07-30
JP2014179994A (ja) 2014-09-25
TWI441463B (zh) 2014-06-11

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